What experiments can be conducted on desktop mini tube stoves?

Desktop mini tube furnace, due to its high temperature control, atmosphere regulation, vacuum compatibility and other characteristics, can support experiments in various laboratories and small-scale production scenarios. The specific applications are as follows:

1. Material Heat Treatment Experiment
Metal Annealing and Quenching
Application: Eliminate internal stress in metal processing and improve organizational structure.
Operation: Place the metal sample in the furnace, set the heating rate to the target temperature (such as 1200 ℃), and after insulation, naturally cool or rapidly quench.
Ceramic sintering
Application: Preparation of high-density ceramic materials (such as alumina ceramics with a density of up to 99%).
Operation: Place the ceramic body into the furnace, heat it up to 1200 ℃ -1400 ℃ according to the program, hold for several hours, and then cool naturally.
powder metallurgy
Application: Metal powder is pressed and sintered (such as stainless steel powder metallurgy parts with porosity<5%).
Operation: Heat up to 1000 ℃ -1200 ℃ in a hydrogen or argon atmosphere, keep warm, and then cool.

2. Preparation and activation of catalysts
Synthesis of Supported Catalysts
Application: Loading precious metals (such as Pt) onto the surface of a carrier (such as Al ₂ O ∝) to prepare efficient catalysts.
Operation: Mix the precursor and carrier, introduce nitrogen into the tube furnace, and heat up to 500 ℃ -800 ℃ to decompose the precursor.
Catalyst activation
Application: Remove surface impurities from catalysts and restore activity (such as activation of automotive exhaust catalysts).
Operation: Heat up to 300 ℃ -500 ℃ in a hydrogen or air atmosphere and treat for several hours.
3、 Chemical Vapor Deposition (CVD) Experiment
Thin film growth
Application: Deposition of thin films (such as silicon nitride and graphene) on the surface of substrates (such as silicon wafers).
Operation: Introduce source gas (such as SiH ₄, NH3), raise the temperature to 800 ℃ -1000 ℃, and react on the substrate surface to form a thin film.
Nanomaterial synthesis
Application: Preparation of high-purity nanoparticles (such as TiO ₂ SiC）。
Operation: Pyrolysis the precursor in an inert atmosphere and raise the temperature to 1000 ℃ -1200 ℃.

4. Pyrolysis and High Temperature Reaction Experiment
Organic matter pyrolysis
Application: Research on biomass pyrolysis products (such as bio oil, charcoal).
Operation: Heat up to 300 ℃ -600 ℃ in a nitrogen atmosphere and analyze the composition of the pyrolysis products.
High-temperature synthesis reaction
Application: Exploring new materials (such as high-temperature superconducting materials).
Operation: Mix reactants, precisely control temperature (such as 1000 ℃ -1200 ℃) and time in a tube furnace, and synthesize the target product.

5. Atmosphere control experiment
Research on the Oxidation Behavior of Metals
Application: Simulate the corrosion process of metals in humid aerobic environments.
Operation: Introduce oxygen and steam into the furnace, raise the temperature to 200 ℃ -500 ℃, and observe the oxidation of the steel sample.
Reduction reaction experiment
Application: Reduction of metal oxides (such as Fe ₂ O3 reduction to Fe).
Operation: Heat up to 500 ℃ -800 ℃ in a hydrogen atmosphere and observe the reduction process.

6. Sample drying and thermal stability testing
Sample drying
Application: Remove moisture from samples that are sensitive to moisture, such as polymer materials.
Operation: Place the sample in the furnace, heat it up to 100 ℃ -150 ℃, and hold for several hours.
Thermal stability test
Application: Evaluate the stability of polymer materials at different temperatures.
Operation: Heat the sample at a certain heating rate (such as 5 ℃/min) and record the changes in mass and structure.

7. Simulated high-temperature environment experiment
Research on Geological Processes
Application: Simulate high-temperature deformation and chemical reactions of rocks deep underground.
Operation: Place the rock sample into the furnace, heat it up to a high temperature similar to that deep underground (such as 800 ℃ -1000 ℃), and observe the physical and chemical changes.

8. Vacuum experiment
vacuum sintering
Application: Preparation of high-purity materials (such as semiconductor crystals).
Operation: Heat up to 1200 ℃ -1400 ℃ in a vacuum environment and perform pollution-free sintering.
vacuum coating
Application: Deposition of metal or compound thin films on substrate surfaces.
Operation: In a vacuum environment, a thin film is formed on the substrate by evaporating or sputtering the source material.